Now showing items 21-40 of 150
Estrella Toral, Soledad (Date of defense: 2013-10-17)
Tradicionalmente la construcción de aliviaderos escalonados en presas de hormigón compactado con rodillo (HCR) se caracteriza por la presencia de muretes guías que imponen un ancho constante a lo largo del aliviadero y que ...
Sánchez Juny, Martí (Date of defense: 2001-05-15)
Se presentarán en este trabajo los aspectos principales del estado del conocimiento existente sobre el comportamiento hidráulico de los aliviaderos escalonados. Se analizará: la caracterización del flujo que se observa en ...
Mocci, Alice (Date of defense: 2021-07-22)
Piezoelectricity, the two-way coupling between electric polarization and strain is the basic mechanism behind most electromechanical transduction technologies. It is possible only in a limited number of materials, namely ...
Sibileau, Alberto Pedro (Date of defense: 2019-09-24)
This dissertation is motivated by the concept of materials by design. Focusing on structures, this states that the properties in a mechanical component are not only inherited by its constituent material, but also by the ...
López Almansa, Francesc (Date of defense: 1988-02-02)
Este trabajo propone un sistema para reducir las oscilaciones horizontales de edificios (generadas por movimientos sísmicos o por la acción del viento) mediante la acción activa de barras diagonales de arriostramiento ...
Mirambell Arrizabalaga, Enrique (Date of defense: 1987-03-06)
El presente trabajo centra su estudio en la problemática de los efectos térmicos ambientales en puentes de hormigón. Los objetivos perseguidos en esta tesis son, por una parte, el desarrollo de un modelo analítico capaz ...
Ezbakhe, Fatine (Date of defense: 2019-10-31)
Policy-making for sustainable development becomes more efficient when it is reliably backed by evidence-based decision analysis. Concretely, this is crucial in the planning of public services delivery. By translating "raw" ...
López López, Victor Manuel (Date of defense: 2001-06-25)
Esta tesis Doctoral aborda el origen, la evolución y las posibilidades de operativizar el concepto de Sostenibilidad en el Sector de la Construcción, y más especificamente en la construcción de edificios.<br/>El estudio ...
Zugasti Uriguen, Ekhi (Date of defense: 2014-01-16)
L’objectiu de la Monitorització de la salut estructural (SHM) és la verificació de l’estat o la salut de les estructures per tal de garantir el seu correcte funcionament i estalviar en el cost de manteniment. El sistema SHM ...
Mension i Camps, Josep (Date of defense: 2019-09-10)
High-level service bus systems, even though in many different forms and local particularities, have been spread out around the globe over the last decades, driven by the administration and the transport authority, and in ...
Jiménez Meroño, Enrique (Date of defense: 2023-11-15)
(English) This thesis provides tools, based on mathematical modelling, for the analysis, optimization and simulation, of vehicle-sharing systems. The thesis addresses various implementation levels of such systems, from ...
Delgadillo Ayala, Rick Milton (Date of defense: 2022-03-23)
In recent years the scientific community has been developing new techniques in structural health monitoring (SHM) to identify the damages in civil structures specially in bridges. The bridge health monitoring (BHM) systems ...
Dorribo Dorribo, Daniel (Date of defense: 2017-12-05)
The automotive industry is constantly involved in the development of new projects aimed at reducing weight, fuel consumptions and costs while improving passengers¿ safety. In order to achieve these increasing demands, ...
Hashemi, Mohammad Reza (Date of defense: 2022-02-22)
In numerous applications, two-phase liquid-gas transport at sub-millimeter length scales plays a substantial role in the determination of the behavior of the system at hand. As its main application, the present work focuses ...
Pedret Rodés, Josep (Date of defense: 2017-02-16)
The Ground Penetrating Radar test applied to road engineering is overall used to determine the geometric characteristics of the pavement structure by analyzing the wave in the time domain. On many cases, it is often used ...
Trapote Barreira, Ana (Date of defense: 2015-01-19)
The use of concrete in disposal facilities to store low- and intermediate-level nuclear waste requires that the durability of this material is optimal for the lifetime of these repositories. One of the most important ...
Arbat Bofill, Marina (Date of defense: 2015-09-15)
The presence of a reservoir and its construction generate a direct impact in the rivers and in the surrounding landscape. The effects of the existing reservoirs, plus the combination of these with power plants (that use ...
Díaz Loaiza, Manuel Andrés (Date of defense: 2015-11-20)
Floods and Drought are some of the most catastrophic natural disasters for humanity, averaging 1 to 5 billion dollar of annually damage for flood events and 6 to 8 billion dollars respectively for drought events. To avoid ...
Kuzmanović, Maja (Date of defense: 2017-06-23)
More than one-third of Earths available freshwater is used for anthropogenic purposes, which has led to its contamination by numerous chemical compounds. Their presence in the environment might have negative consequences ...
Casas Prat, Mercè (Date of defense: 2014-01-20)
Climate change is a hot research topic due to the consequent impacts on our environment in the near future. The last report of the International Panel on Climate Change' the leading international body for assessment of ...